Configuring The User Interface For Snmp - Cisco Catalyst 4500 Series Configuration Manual

Chapter 39 Configuring VRF-lite

Configuring the User Interface for SNMP

To configure VRF-aware services for SNMP, perform this task:
Command
Step 1
Switch# configure terminal
Step 2
Switch(config)# snmp-server trap
authentication vrf
Step 3
Switch(config)# snmp-server engineID
remote host vrf vpn-instance
engine-id string
Step 4
Switch(config)# snmp-server host
host vrf vpn-instance traps
community
Step 5
Switch(config)# snmp-server host
host vrf vpn-instance informs
community
Step 6
Switch(config)# snmp-server user
user group remote host vrf vpn-
instance security model
Step 7
Switch(config)# end
Configuring the User Interface for uRPF
You can configure uRPF on an interface assigned to a VRF. Source lookup is performed in the VRF table.
To configure VRF-aware services for uRPF, perform this task:
Command
Step 1
Switch# configure terminal
Step 2
Switch(config)# interface
interface-id
Step 3
Switch(config-if)# no switchport
Step 4
Switch(config-if)# ip vrf forwarding
vrf-name
Step 5
Switch(config-if-vrf)# ip address
ip-address subnet-mask
Step 6
Switch(config-if-vrf)# ip verify
unicast source reachable-via
rx allow-default
Step 7
Switch(config-if-vrf)# end
OL-25340-01
Purpose
Enters global configuration mode.
Enables SNMP traps for packets on a VRF.
Configures a name for the remote SNMP engine on a switch.
Specifies the recipient of an SNMP trap operation and specifies the VRF
table to be used for sending SNMP traps.
Specifies the recipient of an SNMP inform operation and specifies the
VRF table to be used for sending SNMP informs.
Adds a user to an SNMP group for a remote host on a VRF for SNMP
access.
Returns to privileged EXEC mode.
Purpose
Enters global configuration mode.
Enters interface configuration mode and specifies the Layer 3 interface
to configure.
Removes the interface from Layer 2 configuration mode if it is a
physical interface.
Configures VRF on the interface.
Enters the IP address for the interface.
Enables uRPF on the interface.
Returns to privileged EXEC mode.
Software Configuration Guide—Release IOS XE 3.3.0SG and IOS 15.1(1)SG
Configuring VRF-Aware Services
39-7